5v/150ma output step-down dc/dc converter (non-isolated) BP5225 absolute maximum ratings input voltage operating temperature range storage temperature range maximum surface temperature maximum output current parameter symbol limits unit vi topr tstg tsmax iopeak v c c c ma unit conditions v v ma v v vpp % dc vi=12v, io=150ma vi=12v vi=10.0 to 26.4v, io=150ma vi=12v, io=0 to 150ma vi=12v, io=150ma vi=12v, io=150ma electrical characteristics input voltage range output voltage output current line regulation load regulation output ripple voltage power conversion efficiency parameter symbol typ. max. min. efficiency (%) conversion efficiency dimensions (unit : mm ) application circuit external component specifications fuse: fuse use a fast-acting fuse from 0.5 to 1a. c1: input capacitor c2: output capacitor c3: noise removal capacitor pin no. 1 2 3 4 5 function input terminal vi not used gnd gnd output terminal vo verify proper operation under actual conditions before use. in particular, confirm that the load current does not exceed the maximum rating. derating curve operation range 160 140 120 100 80 60 40 20 0 010 -30 -20 -10 20 40 30 80 70 60 50 90 ambient temperature ta( c ) output current io(ma) load regulation BP5225 use a fuse for safety 1 345 c1 c2 io c3 vo vi l in + 200 250 300 150 100 50 0 0 20 40 100 120 160 140 60 80 output current (ma) frequency (khz) oscillation frequency 4.7 4.9 4.8 5 5.2 5.1 5.3 010 4050607080 20 30 ambient temperature ( c ) output voltage (v) temperature characteristics 5 4 13 16.8max. 4.01.0 2.54x 4=10.16 p=2.540.2 1.30.2 0.50.1 3.25max. 9.7max. 6.05max. 3.65max. 0.250.05 17.0max. mark side vi=12v vi=24v 4 5 6 3 2 1 0 0 50 150 200 250 100 output current (ma) output voltage (v) vi=12v vi=24v vi=12v, io=0ma vi=12v, io=150ma vi=24v, io=150ma vi=24v, io=0ma 10% 20% 30% 40% 50% 60% 70% 80% 90% 0% 0 20 40 100 120 160 140 60 80 output current (ma) vi=12v vi=24v 1/1 2010.03 - rev. b www.rohm.com ? 2010 rohm co., ltd. all rights reserved. data sheet
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